Home / 99,031.73-148,563.99-49,113.45

Finding the Fourth Proportional to 99,031.73, 148,563.99 and 49,113.45

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Solution

The fourth proportional to 99,031.73, 148,563.99 and 49,113.45 is: 73,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,031.73 : 148,563.99 = 49,113.45 : x
  2. Step 2: Convert to fraction form
    99,031.73/148,563.99 = 49,113.45/x
  3. Step 3: Cross multiply
    99,031.73x = 148,563.99 × 49,113.45
  4. Step 4: Simplify right side
    99,031.73x = 7,296,490,094.67
  5. Step 5: Solve for x
    x = 7,296,490,094.67/99,031.73
  6. Step 6: Final answer
    x = 73,678.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.